Vacuum pocket



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.FREDERIC .PAYSQN REED, GF E AST ORANGE, NEW'J'ERSEY," ASSIGNUIQ BYMESNE ASSIGNMENTS, i TO CHARLES C. O RCULT. 3 i

`vederne rocxncn Application ledebruaryf?, 1921Seria1No.j443,008. v-

To all whom imag concern.'

Be it knovvn that "I, Fnnnnnro Parson REnmacitizen of the at EastOrangmStatejof N ew Jers new and useful of the invention," s

vcounty ofy Essen, have invented certain uch fas will make ,an'd use thesame,

y ',lrlvellfen iS coating machines, mechanism `for use forlthe'described in N o', 434,231', December lectingand removing 'the drying ofthe Web.

an improvement in paper and "relates especially *to* in connectionwithdryers paper, of .the character shovvnandj my prior application,Serial y31, 1920, forcolfxflng apart ofthesaid frame.,` As shown in thevapor formed in An: object Aof the invention is to provide mechanism ofAnother object isto pr nection with the saidniechanism,

` arating the fair,

th adapted 'to fbe arranged jbeneathA the web,` Within the'casin-g of el character `specified,

from the dryer.: f

o videmeansinconand'deli'vering them from the dryer.A

In the idrawings Figure l'isa'longitudinal vertical 'section' of apartof a dryer'unit'provided `With the improved mechanism,Y

Figure 2 is an enlarged detail section of thesaidmechanlsm,

Figure 3 is a horizontal sectionV at' thev end 'adjacent tothe header.AIndrying paper tliereis` alargeramount condense 1n of steam vaporIYformed dense upon the drying thesame, and to condenseY upon and Withinthe dryer. This is of the', charact 1n removing especially true 1ndryers.l erV above-mentionedj because of the quiclrand thorough actionoi the units the moisture -from the` paper Wehl Tol facilitate this'dry-'actiom b y removing the vapors which Would part VVupon the Web,'

in each unit, o r i otherwise mechanism forming the subject-matter ofthe present inventi 1s shown 1n 'connection on. The .y saidmechanismWith a dryer unit,

consisting of a casing 1 having an open top, and having r ollers 2journaled at the United States, ,residing f or supportinglltheweb t ofin the` vor apron 3ds supported Y ,manner thatl at ,theends lof the unitit may nuts 10. @A bar the dryer and near the point Where the web`-leaves thedry' er,' forV sucking up the vapor vas yit is infmedmd onthe casing, means "13 and14. TheY I vthe casing, ,beneath inturnedianges15 on the V side,'and end,`, yvalls ofthecasing, andthe c Clfuipillfe4bis j for and vapor from the liquid kseries otradial nipples` langedattits-ends as shown Vat 19 in Figure ,endvvallof thesaidpasing, web Atoagain, dampenl `Wall of the ieasing 7 and in the `casing 1 andarethreaded into the nipplesu I arrange' n any selected `unitytheopentop, o veryvhich passes one run of an endless belt orapron ofperforate material, paper.' This belt Vpass beneaththecasing 1, onthelovver run of the apron.'li`lectri'cally controlled heating unitsindicatedat 6 are arranged Within thelc'asing; and' ,'t he vaporremoving mechatthe dry end of the unitmthat is' at Vthat end towardswhich the 'paper ,Web, rnoves.,

The' mechanism" comprisesa pocketin the formgof acasing'@ which issecured to an angle`plate 8 arranged transversely of the Vsupportingframe 9forfthe unit, and form- Figures and "2, the' casng. 7'` restsupon the horizontahportions.of the angle plate, and

j is secured thereto by means ofbolts and 11 is arranged Within thecasing yabove the'angle plate, andthebolts `and nuts 10 clampthe bottomof the casing betvveenk the bar.l casing1 has, aetopV 12 ,which isremovablyheld l of'clamping bars barsllc af e arranged Within y17 isarrangedfjust outside the end Wall ot thecasing,vanda suitable pumpisconnected Withf'one eiid -ofthisl header for makingsuctipn`-therethrough,and the header has a 18, eachof which is 2."lhegnipples?` extend toward the casing 1, and the'iiangesof theAnipples abut the vvShort sections preferably of brass, are passedregistering openings in the rear the endvvall of 2o 'of' pipe throughhave registering Opening@ at ,each nipple. 1.8,

and a Washer 21 is threadedjonto the pipe 2O inside the cas ,ing7. Thusv the v'rear gwall andgtheeendvvall of thecaszing 1 are clamped of 'thecasing 7 between the yv vashersZl and theanges 19 of v the nipples 18.,Asshovvn in Figure 2, thevv pipes 20""extend to near the centralvertical plane of the casing 7, and eaohpipe has a flaring mouth piece22 at its inner end, the said mouthpieces being threaded andtheangleplat'e. The

CIK

'formed by the drying lor collector 17.`

over the flaring surfaces of the niouth-"' thebottomoi the casing 7 yarranged below onto thev pipes. A section 23 off pipe is passed throughthe front wall of the casing 7, the said wall is threaded onto this pipesection at the inner icace of the liront wall of the casing. A coupleror union the pip wall oi' the casing, and the saidiront wall is thusclamped between 24 and the unions 25. A nozzle` 26 isl supported bythe`pipe sections 23, the said nozzle having extensions '27 in the form ofthreaded nipples, which engage within' the unions. The nozzle has theopening thereof yjust 3, and it'will be evident that when the air airwill be drawn in through the nozzle, kand'will carry with it vapor whichis of the4 web. `This vapor passes in through the pipe sections 23 tothe pocket. The gas and vapor pass out through the pipe sections 20totheheader The liquid pieces 2,2, onto and means is providedv forpermitting the casing to be drained of such products. The said meanscomprises a collector pipe '28 arranged" beneath the ca sing'7, and'con# nected to the casing at intervals by pipes 29. IOne end ofthe pipe28 is closedga'nd permitting the liquid 'contents oi' the pocket to bewithdrawn when desired. 't

In a dryer 4unit providedwith the improved vapor removing mechanism, allthe moisture vaporized by dryer will be sucked into the pocket.7 throughthe nozzle, condenses in to liquid may be drawnofl` through the pipe 29.'The gaseous portion passes vout through the header 17. In theusual'arrang'ement, a portion of the vapor will re`conde`nse uponthepaper web, and this moisture must be removed throwing an additionalburden on the heaterif such moisture is afterwards removed,V and pro'-ducing an improperly dried paper ifjit isy not removed. t

I claim:` v l. y l. In a dryer comprising a'casing having a heater, andmeans Jfor supporting a movingv web of paper above the heater, of ymeanswithin the casing for collecting and removing the vapor orniedin thedrying ot the web, said means comprising a suction nozzle the web, andextending transversely thereof, `a collector header, and

a separating box between the suction nozzle and the collector header.

having openings regis- Y tering with` the nipples 18, and a washer2i.VWithin the Casing 25 engages that endol e 23 which extends beyond thefront,

'a' separating b" xbetween the suction the said washers` below the upperrun of the apron 'named Plpes extending nt l lastfnain'ed pipes. 1sexhausted within the pocket or casing passes down sat'econ'necting the lt y 'or'fcollectin' and removiii valves 30` are arranged in the pipes 29for D g prising a suction of the action of the and the portion which7.In a dryer 2. In a dryer comprising a casing having a heater, and'means for supporting amovingl web of paper above the heater,of meansing vthe vapor formed in the drying of the web, said means comprising asuction nozzle varranged"below the web, and 'extending a collectorhea-der, and nozzle and the collector header, said box comprising .acasing, v,pipes extending'from the nozzle intofthe casing, andotherpipesextend-- ngifrom theheader into the casing, and" transverselythereoi,

alinement with .the Jfirst-named pipes, and of a'greater `diameter,`theends of the iirstf.

the ends of the 3. In a dryer for Jforv collectingI and removing lthevapor formed in the drying' of the paper,` and comprising asuctionnozzle arranged adja cent to the paper,` and versely' thereoff v4:.. Ina dryerl 'for paper or the like means for Ycollecting Yandremoving the vapor for collecting and removf,

paper or the like, means extending trans-tV formed in the -drying ot thepaper, and coinprisingasuction nozzle arranged adjacent' Yto the paper,extending transversely theref of, a collector header, and Ameans forsepa` rating the air. and; vapor roin'the conden-r nozzle with theheader.

5. In a dryer for paper orthe like meansi the vapor formed lin thedryingpof the paper, and comto the paper, extending transverselythereof, a collector header, and a series of means for separating the,air and vapor from the condensate connecting the nozzle with vtheheader. r i

6, In a dryer `forpaper orthe like,a casing, meansfor supportingandguiding a web of paper ing open, andthe web oi paper closing the saidtop, heating means within the casing below the web, meansgforwithdrawing air `from the casing, said. casinghaving. inlet .the casingsaidvcasing having inlets for ail to replace ythat withdrawn.

e or the like to be dried. through 'the casing, the `toplof the casinghenozzle arrangedV adjacent for paper or the like, a cas-` In testimonywhereof I affix-my signature.-

FREDERIC Parson anni).l

